Understanding a Wiring Diagram for Ignition Coil with Points

A wiring diagram for ignition coil with points is an important tool for diagnosing and maintaining automotive components in the right condition. It helps technicians diagnose engine problems, identify faulty wiring, and plan the replacement of components. In addition, it can be used to detect certain common problems with the vehicle’s spark. In this article, we will discuss how to read and interpret a wiring diagram for ignition coil and points.

What is an Ignition Coil?

An ignition coil, sometimes referred to as a spark coil, spark plug coil, or simply, a coil, is an important component of a car's electrical system. The ignition coil electrically connects the spark plug to the spark plug wire and ignition system. Without a functioning coil, the spark cannot be produce and the vehicle will not start. The coil converts the low voltage signal from the ignition switch into the high voltage signal needed to ignite the spark in the combustion chamber.

How Does an Ignition Coil Work?

The ignition coil works by receiving a low voltage current from the battery which is then fed into the primary winding of the coil. The winding in the coil then generates multiple volts of energy that get sent to the secondary windings of the coil. These windings are connected to the spark plugs, sending an intense current through them when triggered. This generates an intense spark within the combustion chamber, allowing for the ignition of fuels like gasoline, diesel, and other combustible materials.

Reading and Interpreting a Wiring Diagram for a Coil with Points

Reading and understanding a wiring diagram for an ignition coil with points requires knowledge on how the coil functions. The wiring diagram should include a legend or key that identifies each component and the position of each wire. It also needs to indicate power, ground, and switch terminals according to the manufacturer's specifications. All wires should be labeled clearly so that they are easy to track down when troubleshooting.

On the diagram, the lines denote the electrical flow between components, while the letters or numbers denote specific components and their connections. Pay special attention to the switching section as this contains all terminals and junction points used for the ignition system. Trace all grounds carefully and make sure to connect all wires to the right contacts as per the diagram.

When interpreting the diagram, keep in mind that all wires should be connected according to the diagram for proper performance. A misfired connection or poor quality wire can cause major damage to the system so make sure to double-check each connection before attempting to use the ignition coil.

Conclusion

Reading and understanding a wiring diagram for an ignition coil with points is an important tool for diagnosing car problems and planning replacements. Given its importance, it is essential to understand the basics of a wiring diagram and follow it exactly. Doing so can save you time and money, and make sure that your car performs optimally for a long time.

Ignition Coil Polarity